电子元器件zmy20中文资料_数据手册_IC数据表

t.com.ichunt.comMAGNETIC FIELD SENSOR

://www.ichunt.comDESCRIPTION

https://www.ichunHy-VBHxhttps://www.ichunt.comhttps://www.ichunt.comFEATURES

•Adjustmentofsensitivityandsuppressionof

hysteresisbytheauxiliarymagneticfieldHx

TheZMY20isanextremelysensitivemagneticsensoremployingthemagneto-resistiveeffectofthinfilmpermalloy.Itallowsthemeasurementofmagneticfieldsorthedetectionofmagneticparts.Thehighlysensitiveandsmallsizemagnetoresistivesensorsconsistofachipcoveredwiththinfilmpermalloystripes.ThesestripesformaWheatstonebridge,whoseoutputvoltageisproportionaltothemagneticfieldcomponentHy.AperpendicularfieldHxisnecessarytostabilizesensoroperation.Thiscanbedonebyusingasmall permanent magnet.

https://www+VB-VO+VOhttps•OutputvoltageproportionaltomagneticfieldHy

SOT223S

•Magneticfieldsverticaltothechiplevelarenoteffective

https://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comPINOUT

-VBAPPLICATIONS

•Linearpositionsensorsforprocesscontrol,doorinterlocks,proximitydetectors,machinetoolsensing•Scalarmeasurementforcompassing

•Automotive–doorswitches,engineposition&speedsensing•Trafficcounting&vehicle-typesensing•Measurementofcurrentinaconductorwithoutconnection

•Meteringoffluidsbysensingrotationofimpeller

t.comhttps://www.ichunt.comhttps://www.ichunt.comTop View

+VO-VO+VBVB= SUPPLY VOLTAGEVO= OUTPUT VOLTAGE.ichunt.comORDERING INFORMATION

DEVICE

REELSIZE7”13”

TAPEWIDTH12mm12mm

QUANTITYPER REEL1000 units4000 units

ZMY20TAZMY20TC

://www.ichunt.comDEVICE MARKING

•ZMY20

https://www.ichunhttps://www.ichunt.comhttps://www.ichunt.comISSUE 2 - NOVEMBER 20021https://wwwhttpsSEMICONDUCTORShttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comZMY20

PARAMETER

SYMBOLVBPTOTTambTstg

t.com.ichunt.comhttps://www.ichunt.comLIMIT12120-40 to +150-65 to +150

UNITVmW°C°C

ABSOLUTE MAXIMUM RATINGS

Supplyvoltage

://www.ichunt.comTotalpowerdissipationOperatingtemperaturerangeStoragetemperaturerange

https://www.ichunhttps://www.ichunt.comhttps://www.ichunt.comPARAMETER

SYMBOLRbr

MIN1.2163.7--1.00-30.25

BridgeresistanceOutputvoltagerangeOpencircuitsensitivityHysteresisofoutputvoltageOffsetVoltageOperatingfrequencyTemp.coeff.ofoffsetvoltage

Temp.coeff.ofbridgeresistance

Temp.coeff.ofopencircuitsensitivityVB=5V

Temp.coeff.ofopencircuitsensitivityIB=3mA

VO/VBS

https://wwwELECTRICAL CHARACTERISTICS (at Tamb=25°Cand HX=3 kA/m unless otherwise stated)TYP1.7204.7--MAX2.2245.750+1.01+30.35

UNITk⍀mV/V(mV/V)/(kA/m)µV/VmV/VMHz(µV/V)/K%/K

Tamb=-25 to +125°CTamb=-25 to +125°CNo disturbing field Hd

allowed

HyՅ2kA/mTESTCONDITIONS

httpshttps://www.ichunt.comVOH/VBVoff/VBfmaxTCVoffTCRbrTCSV

https://www.ichunt.com--0.3

https://www.ichunt.com-0.25

-0.3

-0.35

%/K

Tamb=-25 to +125°C

t.comhttps://www.ichunt.comTCSI

--0.1

-%/K

Tamb=-25 to +125°C

.ichunt.comhttps://www.ichunt.com://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comSEMICONDUCTORShttps://www.ichunhttps://wwwISSUE 2 - NOVEMBER 2002

2

httpshttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comZMY20

t.com.ichunt.comApplication 1 (digital output)

://www.ichunt.comhttps://www.ichunhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comApplication 2 (analog output)

https://wwwhttpshttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comt.com.ichunt.com://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comISSUE 2 - NOVEMBER 2002

3

https://www.ichunhttps://wwwhttpsSEMICONDUCTORShttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comZMY20

t.com.ichunt.comhttps://www.ichunt.com://www.ichunt.comSensor output characteristicVO=f(Hy); Hx-parameterVb=const; Tamb=25°C

https://www.ichunhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comSafe operating area

Hxtot=Hx+ Hd; Tamb=25°C; (Hd=disturbing field)

https://wwwhttpshttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comt.com.ichunt.com://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunhttps://wwwThe sensor has to be reset after leaving the safe operating area by an auxiliary field of Hx=3kA/m

https://www.ichunt.comISSUE 2 - NOVEMBER 2002

SEMICONDUCTORShttps4

https://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comSensor sensitivity characteristicS=f(Hx)

Vb=const; Tamb=25°C

t.com.ichunt.comhttps://www.ichunt.comZMY20

://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comSupply voltage (maximum) derating curveVBmax=f(Tamb)

https://www.ichunhttps://wwwhttpshttps://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comt.com.ichunt.com://www.ichunt.comhttps://www.ichunt.comhttps://www.ichunt.comISSUE 2 - NOVEMBER 2002

5

Device mounted on 40 x 40 mm2board (copper area 600mm2)

https://www.ichunhttps://wwwhttpsSEMICONDUCTORShttps://www.ichunt.comhttps://www.ichunt.com